Accountancy, asked by alensebastian002, 4 months ago

Find the mean for the following frequency distribution

Number of

days

0-10 10-20 20-30 30-40 40-50 50-60 60-70

Frequency 4 5 7 10 12 8 4

Answers

Answered by dshah9268

1

MEAN

CLASS. XI. FI. FIXI

0-10. 5. 4. 20

10-20. 15. 5. 75

20-30. 25. 7. 175

30-40. 35. 10 350

40-50. 45. 12. 540

50-60. 55. 8. 440

60-70. 65. 4. 260

TOTAL. ... FI= 50. FIXI =1860

MEAN = FIXI / XI

¤ 1860/ 50 = 37.2

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